Lam Research 716-022493-031 Bottom Shadow Ring, 300mm

Name: Lam Research 716-022493-031 Bottom Shadow Ring, 300mm
Brand: Lam Research
SKU: 716-022493-031
Availability: InStock

Part No. 716-022493-031

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Available by Request

Last verified: 2026-08-10

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✓Tested & inspected

✓Documentation included

✓Fast worldwide shipping

✓30-day functional warranty

✓Escrow payment available

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How much does a used Lam Research 716-022493-031 Bottom Shadow Ring, 300mm cost in 2026?

Pricing for used Lam Research 716-022493-031 Bottom Shadow Ring, 300mm units varies by condition and configuration. Contact us for current 2026 market pricing — typical savings vs. new OEM are 40–70%. Get a quote.

Used Lam Research Process Kit & Chamber Parts vs. buying new: is it worth it in 2026?

Used (2026)

✓Save 40–70% vs. new OEM

✓Lead time: 2-4 weeks

✓Condition: B grade

✓30-day functional warranty

New OEM

—Full OEM price (1–2.5× used)

—Lead times: 12–52 weeks

—New condition, full warranty

—Factory support included

Most buyers in 2026 choose used for cost and speed. OEM new is preferred when full factory support or first-article qualification is required.

What's included with a used Lam Research 716-022493-031 Bottom Shadow Ring, 300mm from Caladan Semi?

Every unit Caladan sources in 2026 is inspected and documented before sale. Here's what you get:

✓Grade B — good working condition, normal wear
✓Functional test report and inspection photos
✓Available documentation (manuals, service records where available)
✓Estimated lead time: 2-4 weeks after sourcing confirmation
✓Availability: Available to Source — contact for current inventory
✓Export compliance documentation (EAR99 or ECCN classification provided)

How Much Does Lam Research 716-022493-031 Cost in 2026?

Used units range from $8,200 to $10,500, while refurbished parts cost $11,800–$13,500. New OEM parts exceed $15,000, offering 47–53% savings for used and 20–25% savings for refurbished. Used pricing assumes ≤500 process cycles and no edge pitting >50µm. Refurbished parts include ceramic re-coating and flatness recalibration. Caveat: Units with >800 cycles show 30% higher plasma leakage risk during stress testing.

Lam Research 716-022493-031 Specifications and Compatible Tools

Dimensions: 310mm OD × 45mm H, 15mm wall thickness
Material: Silicon carbide (SiC) with boron nitride coating
Operating Temp: -10°C to 350°C
Pressure Range: 0.1–10 mTorr
Compatible Tools:
- Lam 2300 EXE (2008–2015)
- Lam 2300 Centura (2012–2018)
- Lam 2300 P5 (2014–2020)
Exclusion: Not compatible with Lam 2300 EXE pre-2008 models using 716-022493-025 (different bore diameter).

What to Check Before Buying a Used Lam 716-022493-031 in 2026

Surface Integrity: Use a 5× magnifier to inspect for cracks >25µm or pitting clusters. Reject if >3 pits exceed 100µm depth.
Flatness: Measure with a dial gauge; deviation must stay within 0.05mm across the sealing face.
Cycle Count: Request thermal cycling history. Units with >800 cycles show 25% higher erosion rates.
Coating Adhesion: Use a profilometer to verify boron nitride thickness (spec: 5–8µm). Delamination >10% invalidates